Alex Sheen

Founder of "Because I Said I Would," Social Entrepreneur, Author & Humanitarian

Alexa Marks, RN, BSN

Registered Nurse, Mom of Three & Breast Cancer Survivor

Angela Kinsey

Emmy Award-Winning Actress Known for "The Office"

AnnaLynne McCord

Activist & Actress Best Known For "90210"

April Ross

Pro Beach Volleyball Player & Three-Time Olympic Medalist

Ben Stiller

Actor & Comedian

Brian Kelly

Head Football Coach at Louisiana State University

Brian Kelly's First Team Meeting as LSU Football Coach

Bruce Dickinson

Lead Singer of Iron Maiden & Entrepreneur

Charlie Wittmack

Internationally-Renowned Adventurer & President of The Wittmack Group

Chris Draft

Former NFL Linebacker & Founder of The Chris Draft Family Foundation

Connor O'Leary

"Amazing Race All Stars" Winner; Professional Cyclist' Cancer Survivor

Darryl Strawberry

Former American Major League Baseball Outfielder

DeAngelo Williams

Former NFL Running Back; Founder of The DeAngelo Williams Foundation for Breast Cancer Research & Prevention

Dr. Allan Hamilton

Harvard-Trained Brain Surgeon, Award-Winning Writer & Medical Script Consultant for "Grey’s Anatomy"

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

Dr. Sharon Allison-Ottey

Award-Winning Women's Health Advocate, Physician & Author

Drew Brees

Philanthropist & Former Super Bowl MVP-Winning Quarterback for the New Orleans Saints

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Erin Brady

Miss USA 2013 from Connecticut; Co-Star on Reality Series Startup U